Toshiba Satellite U500 Maintenance Manual page 76

2 Troubleshooting Procedures
Procedure 2 Antenna Connection Check
The wireless LAN wiring diagram is shown below:
Any of the connections may be disconnected. Disassemble the computer following the steps
described in Chapter 4, Replacement Procedures, and perform the following checks:
Check 1 Make sure the wireless LAN board is firmly connected to CON5701 on the main
board.
If the connector is disconnected, connect it firmly. If the wireless LAN board is
still not functioning properly, perform Check 2.
Check 2 Make sure the wireless LAN antenna cables are firmly connected to the wireless
LAN board.
If the wireless LAN antenna cables are disconnected, connect them firmly. If the
wireless LAN board is still not functioning properly, go to Procedure 3.
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